Viewing archive of Saturday, 4 April 2015 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
68 392 1B5.57C5.375

Sunspot regions

Region 12305

Number of
sunspots
Size Class Magn. Class Spot Location
1 220 HSX S09W0*

Region 12317

Number of
sunspots
Size Class Magn. Class Spot Location
6 -4 50 -10 DAI N11W59
HMIIF
HMIBC

Region 12318

Number of
sunspots
Size Class Magn. Class Spot Location
3 20 CRO N09E69
HMIIF
HMIBC

Solar flares on this day

B8.29 C1.35 C1.44

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

54%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/03/28X1.1
Last M-flare2024/04/27M3.0
Last geomagnetic storm2024/04/26Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8
Last 30 days137.7 +30.3

This day in history*

Solar flares
12001M1.01
22000C7.46
32023C7.1
42023C6.8
52022C6.8
ApG
11937128G4
2196960G3
3196084G3
4195664G3
5198561G3
*since 1994

Social networks